Output-feedback controller based projective lag-synchronization of uncertain chaotic systems in the presence of input nonlinearities
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Date
2017Author
Boulkroune, Abdesselem
Hamel, Sarah
Zouari, Farouk
Boukabou, Abdelkrim
Ibeas, Asier
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Abstract
This paper solves the problem of projective lag-synchronization based on output-feedback control for chaotic drive-response
systems with input dead-zone and sector nonlinearities.This class of the drive-response systems is assumed in Brunovsky formbut
with unavailable states and unknown dynamics. To effectively deal with both dead-zone and sector nonlinearities, the proposed
controller is designed in a variable-structure framework. To online learn the uncertain dynamics, adaptive fuzzy systems are used.
And to estimate the unavailable states, a simple synchronization error is constructed. To prove the stability of the overall closedloop
system (controller, observer, and drive-response system) and to design the adaptation laws, a Lyapunov theory and strictly
positive real (SPR) approach are exploited. Finally, three academic examples are given to show the effectiveness of this proposed
lag-synchronization scheme.
Palabras clave
Projective; Lag-Synchronization; Chaotic SystemsLink to resource
https://doi.org/10.1155/2017/8045803Collections
- Año 2017 [148]
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